N8. Kei Nishikori – Net Worth: $19.5 million
Currently ranked world #5 by the Association of Tennis Professionals, the Japanese professional tennis player is one of the best and highest paid athletes in the world.
With total earnings estimated at $19.5 million, Kei managed to stay in tops and work even harder than before.
The athlete is currently endorsed by several international brands such as Uniqlo, Wilson, Adidas, Delta Airlines, Weider, and Tag Heuer. For the brands he made various commercials and appeared in several campaigns.
So far in his career, he achieved 7 career titles in his active sports career ’till now and is current year’s 2014 US Open finalist.